McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution - Nessus

High Plugin ID: 57713

This page contains detailed information about the McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 57713
Name: McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution
Filename: mcafee_mycioscn_activex_rce.nasl
Vulnerability Published: 2012-01-12
This Plugin Published: 2012-01-27
Last Modification Time: 2018-11-15
Plugin Version: 1.7
Plugin Type: local
Plugin Family: Windows
Dependencies: smb_hotfixes.nasl
Required KB Items [?]: SMB/Registry/Enumerated

Vulnerability Information

Severity: High
Vulnerability Published: 2012-01-12
Patch Published: 2012-01-12
CVE [?]: N/A
CPE [?]: cpe:/a:mcafee:saas_endpoint_protection

Synopsis

The remote Windows host has an ActiveX control that could be abused to execute arbitrary code remotely.

Description

The myCIOScn.dll ActiveX control, installed on the remote Windows host as part of McAfee Security-as-a-Service (SaaS) / Total Protection Service, reportedly does not require authentication before executing arbitrary commands passed to its 'ShowReport' method.

If an attacker can trick a user on the affected host into visiting a specially crafted web page, this issue could be leveraged to execute arbitrary code on the host subject to the user's privileges.

Solution

Set the kill bit for the affected control.

Note that McAfee reportedly removed the 'Safe for Scripting' designation for the control in SaaS Endpoint Protection 5.2.2 in August 2011 as part of a fix for a related issue and which should significantly migitate exploitation of this issue. In addition, McAfee plans to address the issue completely at some point in the future by removing the affected code entirely as part of its automatic patching.

Public Exploits

Target Network Port(s): 139, 445
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution vulnerability:

Metasploit: exploit/windows/fileformat/mcafee_showreport_exec
[McAfee SaaS MyCioScan ShowReport Remote Command Execution]
Exploit-DB: exploits/windows/remote/18376.rb
[EDB-18376: McAfee SaaS MyCioScan ShowReport - Remote Command Execution (Metasploit)]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:ND

CVSS Base Score:	9.3 (High)
Impact Subscore:	10.0
Exploitability Subscore:	8.6
CVSS Temporal Score:	7.7 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.7 (High)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");


if (description)
{
  script_id(57713);
  script_version("1.7");
  script_cvs_date("Date: 2018/11/15 20:50:27");

  script_bugtraq_id(51397);
  script_xref(name:"EDB-ID", value:"18376");

  script_name(english:"McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution");
  script_summary(english:"Checks for the MyCioScan control");
 
  script_set_attribute(
    attribute:"synopsis",
    value:
"The remote Windows host has an ActiveX control that could be abused
to execute arbitrary code remotely."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The myCIOScn.dll ActiveX control, installed on the remote Windows host
as part of McAfee Security-as-a-Service (SaaS) / Total Protection
Service, reportedly does not require authentication before executing
arbitrary commands passed to its 'ShowReport' method. 

If an attacker can trick a user on the affected host into visiting a
specially crafted web page, this issue could be leveraged to execute 
arbitrary code on the host subject to the user's privileges."
  );
  script_set_attribute(
    attribute:"see_also", 
    value:"https://www.zerodayinitiative.com/advisories/ZDI-12-012/"
  );
  script_set_attribute(
    attribute:"see_also", 
    value:"https://www.securityfocus.com/archive/1/521245/30/0/threaded"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Set the kill bit for the affected control.

Note that McAfee reportedly removed the 'Safe for Scripting'
designation for the control in SaaS Endpoint Protection 5.2.2 in
August 2011 as part of a fix for a related issue and which should
significantly migitate exploitation of this issue.  In addition,
McAfee plans to address the issue completely at some point in the
future by removing the affected code entirely as part of its automatic
patching."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:ND");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'McAfee SaaS MyCioScan ShowReport Remote Command Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"vuln_publication_date", value:"2012/01/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/01/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/01/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mcafee:saas_endpoint_protection");
  script_end_attributes();
 
  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2012-2018 Tenable Network Security, Inc.");

  script_dependencies("smb_hotfixes.nasl");
  script_require_keys("SMB/Registry/Enumerated");
  script_require_ports(139, 445);

  exit(0);
}


include("global_settings.inc");
include("misc_func.inc");
include("smb_func.inc");
include("smb_activex_func.inc");


get_kb_item_or_exit("SMB/Registry/Enumerated");
if (activex_init() != ACX_OK) exit(1, "activex_init() failed.");


clsid = '{209EBDEE-065C-11D4-A6B8-00C04F0D38B7}';


# Locate the file used by the control.
file = activex_get_filename(clsid:clsid);
if (isnull(file))
{
  activex_end();
  exit(1, "activex_get_filename() returned NULL.");
}
if (!file)
{
  activex_end();
  exit(0, "The control is not installed as the class id '"+clsid+"' does not exist on the remote host.");
}


# Get its version.
version = activex_get_fileversion(clsid:clsid);
if (!version) version = "unknown";


# And check it.
info = '';

if (report_paranoia > 1 || activex_get_killbit(clsid:clsid) == 0)
{
  info += '\n  Class identifier  : ' + clsid +
          '\n  Filename          : ' + file + 
          '\n  Installed version : ' + version + '\n';
}
activex_end();


# Report findings.
if (info)
{
  if (report_paranoia > 1)
  {
    report = info +
      '\n' +
      'Note, though, that Nessus did not check whether the kill bit was\n' +
      "set for the control's CLSID because of the Report Paranoia setting" + '\n' +
      'in effect when this scan was run.\n';
  }
  else
  {
    report = info +
      '\n' +
      'Moreover, its kill bit is not set so it is accessible via Internet\n' +
      'Explorer.\n';
  }

  if (report_verbosity > 0) security_hole(port:kb_smb_transport(), extra:report);
  else security_hole(kb_smb_transport());

  exit(0);
}
else exit(0, "Version "+version+" of the control is installed, but its kill bit is set.");

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/mcafee_mycioscn_activex_rce.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\mcafee_mycioscn_activex_rce.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/mcafee_mycioscn_activex_rce.nasl

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How to Run

Here is how to run the McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select Windows plugin family.
On the right side table select McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution plugin ID 57713.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl mcafee_mycioscn_activex_rce.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a mcafee_mycioscn_activex_rce.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - mcafee_mycioscn_activex_rce.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state mcafee_mycioscn_activex_rce.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

51397

See also:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file mcafee_mycioscn_activex_rce.nasl version 1.7. For more plugins, visit the Nessus Plugin Library.

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McAfee Security-as-a-Service (SaaS) mcCIOScn.dll ShowReport Method Remote Command Execution - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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